The rare handprint from the St. George Dinosaur Discovery Site in Utah indicates that even very early dinosaurs had forelimbs very similar to those of birds,. “What this seems to imply is that ...

This is a handprint of the baby dinosaur Massospondylus from the nesting site in South Africa. The handprint shows that the hatchlings walked on all fours, whereas the adults are known to be bipedal.

The handprint of a 198-million-year-old crouching dinosaur found in Utah reinforces the widely held conclusion that birds are the only living descendants of these creatures. For more on how ...